Which of the following proteins attaches a crawling cell to the substrate in a focal adhesion?
A) actin
B) myosins
C) ?-actinin
D) integrin
E) titin
Answer: D
Biology & Microbiology
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Chromosomes are replicated during the ______ phase.
A. G1 B. G2 C. S D. M E. meta-
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In their studies of learning in Aplysia, the primary behavioral focus of Eric Kandel and his colleagues was on
A. feeding. B. the gill-withdrawal reflex. C. aggression. D. sexual behavior. E. locomotion.
Biology & Microbiology
_________ isolated from _________ is used for the creation of a cDNA expression library.
a) Telomerase: Vibrio cholera b) EcoRI endonuclease: E. coli c) Reverse transcriptase: retrovirus d) DNA Polymerase: Thermus aquaticus
Biology & Microbiology
Which of the following is part of the body's third line of defense?
A. Complement B. B-cells C. Inflammation D. Interferons
Biology & Microbiology